<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>引入方式二</title>
    <!--内部样式-->
    <style>
        div{
            color: aquamarine;
            font-size: 50px;
        }
    </style>
</head>
<body>
    <div>div1</div>
    <div style="color: black;font-size: 10px">div2</div>
</body>
</html>